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/*
* Copyright (c) 2018 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __GBP_RECIRC_H__
#define __GBP_RECIRC_H__
#include <plugins/gbp/gbp_types.h>
#include <plugins/gbp/gbp_itf.h>
#include <vnet/fib/fib_types.h>
/**
* A GBP recirculation interface representation
* Thes interfaces join Bridge domains that are internal to those that are
* NAT external, so the packets can be NAT translated and then undergo the
* whole policy process again.
*/
typedef struct gpb_recirc_t_
{
/**
* EPG ID that packets will classify to when they arrive on this recirc
*/
sclass_t gr_sclass;
/**
* The index of the EPG
*/
index_t gr_epgi;
/**
* FIB indices the EPG is mapped to
*/
u32 gr_fib_index[DPO_PROTO_NUM];
/**
* Is the interface for packets post-NAT translation (i.e. ext)
* or pre-NAT translation (i.e. internal)
*/
u8 gr_is_ext;
/**
*/
u32 gr_sw_if_index;
gbp_itf_hdl_t gr_itf;
/**
* The endpoint created to represent the reric interface
*/
index_t gr_ep;
} gbp_recirc_t;
extern int gbp_recirc_add (u32 sw_if_index, sclass_t sclass, u8 is_ext);
extern int gbp_recirc_delete (u32 sw_if_index);
typedef walk_rc_t (*gbp_recirc_cb_t) (gbp_recirc_t * gbpe, void *ctx);
extern void gbp_recirc_walk (gbp_recirc_cb_t bgpe, void *ctx);
/**
* Data plane functions
*/
extern gbp_recirc_t *gbp_recirc_pool;
extern index_t *gbp_recirc_db;
always_inline gbp_recirc_t *
gbp_recirc_get (u32 sw_if_index)
{
return (pool_elt_at_index (gbp_recirc_pool, gbp_recirc_db[sw_if_index]));
}
#endif
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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